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Related Concept Videos

Introduction to Innate and Adaptive Immunity01:21

Introduction to Innate and Adaptive Immunity

The human immune system is a complex defense mechanism that protects the body from harmful pathogens and foreign substances. It comprises two crucial components: innate and adaptive immunity.
Innate immunity is the body's natural, nonspecific defense system that acts quickly to protect against pathogens. It incorporates physical barriers like skin and mucous membranes and cellular elements such as phagocytes and natural killer cells. This part of our immune system provides an immediate,...
Cell-mediated Immune Responses01:40

Cell-mediated Immune Responses

Overview
T Cell Activation and Clonal Selection01:22

T Cell Activation and Clonal Selection

T cells are integral to our adaptive immune system, recognizing and effectively responding to foreign antigens. T cell activation and clonal selection are pivotal in orchestrating this immune response. This article elucidates these mechanisms, detailing the roles of cluster of differentiation (CD) markers, major histocompatibility complex (MHC) molecules, costimulatory signals, and the process of clonal selection.
Naive T cells that have not yet encountered an antigen express two primary CD...
Antigens Involved in Adaptive Immunity01:26

Antigens Involved in Adaptive Immunity

An antigen is any substance the immune system identifies as foreign and potentially harmful to the body, prompting an immune response. Antigens have two functional properties: immunogenicity and reactivity. Immunogenicity is the ability of an antigen to stimulate a specific immune response. At the same time, reactivity describes the antigen's ability to react with the cells and antibodies produced in response to it.
Complete Antigens
Complete antigens possess both immunogenicity and reactivity.
Cells of the Adaptive Immune Response01:23

Cells of the Adaptive Immune Response

The T and B lymphocytes of the adaptive immune system develop from common lymphoid progenitor cells in the bone marrow. These progenitors give rise to precursors that eventually develop into both T and B lymphocytes. As these precursors mature, they gain the ability to detect and respond to foreign antigens in the body, a process known as immunocompetence. Additionally, these precursors acquire self-tolerance, a process that ensures they do not react to self-antigens. This intricate system...
Antigen Presenting Cells01:22

Antigen Presenting Cells

The immune system is a complex network of cells and molecules that protects the body from foreign invaders. T cells, a type of white blood cell, play a crucial role in this process. They recognize and attack foreign substances, such as pathogens, that enter the body.
T cells require the help of antigen-presenting cells (APCs), which process foreign antigens into smaller fragments that can be recognized by T cells. These APCs are highly specialized cells that efficiently internalize antigens...

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Related Experiment Video

Updated: Jul 17, 2026

Generation of Human Monocyte-derived Dendritic Cells from Whole Blood
07:35

Generation of Human Monocyte-derived Dendritic Cells from Whole Blood

Published on: December 24, 2016

Linking innate to adaptive immunity through dendritic cells.

Ralph M Steinman1

  • 1The Rockefeller University, New York, NY 10021, USA.

Novartis Foundation Symposium
|February 7, 2007
PubMed
Summary

Dendritic cells (DCs) bridge innate and adaptive immunity by capturing antigens and migrating to lymph nodes. Targeting antigens to maturing DCs enhances T and B cell immunity.

Area of Science:

  • Immunology
  • Cell Biology

Background:

  • Dendritic cells (DCs) are crucial in connecting innate and adaptive immunity.
  • DCs function as sentinels and sensors, capturing antigens and responding to environmental cues.
  • DC type and maturation influence immune outcomes, including T helper cell differentiation.

Purpose of the Study:

  • To summarize the role of DCs in innate defenses and adaptive immunity.
  • To outline innate features of DCs that influence peripheral tolerance and adaptive immunity.
  • To explore a novel approach targeting antigens to maturing DCs for enhanced immune responses.

Main Methods:

  • Review and summarization of existing literature on dendritic cell function.
  • Analysis of DC contributions to innate immunity, cytokine production, and innate lymphocyte activation.

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Generation of Bone Marrow Derived Murine Dendritic Cells for Use in 2-photon Imaging
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Generation of Bone Marrow Derived Murine Dendritic Cells for Use in 2-photon Imaging

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Related Experiment Videos

Last Updated: Jul 17, 2026

Generation of Human Monocyte-derived Dendritic Cells from Whole Blood
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Generation of Human Monocyte-derived Dendritic Cells from Whole Blood

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An Efficient and High Yield Method for Isolation of Mouse Dendritic Cell Subsets
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An Efficient and High Yield Method for Isolation of Mouse Dendritic Cell Subsets

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Generation of Bone Marrow Derived Murine Dendritic Cells for Use in 2-photon Imaging

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  • Examination of DC-specific features: endocytic system, in vivo migration, and maturation stimuli.

    • Main Results:

    • DCs produce immune-enhancing cytokines and activate innate lymphocytes.
    • Specialized endocytic systems, in vivo migration, and maturation stimuli are key innate DC features.
    • Targeting antigens to maturing DCs in vivo elicits robust and broad T and B cell immunity.

    Conclusions:

    • Dendritic cells are pivotal in initiating adaptive immunity through antigen presentation and immune modulation.
    • Innate characteristics of DCs, including their migratory and maturation capabilities, are essential for immune responses.
    • Selective antigen targeting to maturing DCs represents a promising strategy for developing potent vaccines and immunotherapies.